1366 - Incorrect integer value: '' for column `mapshopatlogis`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '4f6c957d4007d19d0b6727e2247e6828', '3.145.156.250', '1713576453', '1713576453', '/product_info.php/language/de/info/p1721_Ist-Faeroeer--2-Satellitenbild.html')

[XT SQL Error]